Database schema:
<br />
salesRep(
	salesRepKeyId (as key), 
	repNumber, 
	repFirstName, 
	repLastName, 
	repAddress, 
	repComissionTotal, 
	repComissionRate 
)
<br />
customer(
	customerId (as key), 
	customerNumber, 
	customerName, 
	customerAddress, 
	customerBalance, 
	customerCreditLimit, 
	repNumber  
)
<br />
inventoryItem(
	itemId (as key), 
	itemNumber, 
	itemDescription, 
	itemUnitsInStock, 
	itemClass (as AZ), 
	itemWarehouseLocation, 
	itemUnitPrice 
)
<br />
orderCustomerRecord(
	orderId (as key), 
	orderNumber, 
	orderDate, 
	customerNumber
)
<br />
orderInventoryRecord(
	orderInvId (as key), 
	orderInvNumber, 
	orderInvTotalUnits, 
	orderInvQuotedPrice  
)